AU2008215230B2 - Methods and apparatuses for encoding and decoding object-based audio signals - Google Patents

Methods and apparatuses for encoding and decoding object-based audio signals Download PDF

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Publication number
AU2008215230B2
AU2008215230B2 AU2008215230A AU2008215230A AU2008215230B2 AU 2008215230 B2 AU2008215230 B2 AU 2008215230B2 AU 2008215230 A AU2008215230 A AU 2008215230A AU 2008215230 A AU2008215230 A AU 2008215230A AU 2008215230 B2 AU2008215230 B2 AU 2008215230B2
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signal
information
channel
signals
downmix
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AU2008215230A1 (en
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Dong Soo Kim
Hyun Kook Lee
Jae Hyun Lim
Hee Suk Pang
Sung Yong Yoon
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LG Electronics Inc
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LG Electronics Inc
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/0018—Speech coding using phonetic or linguistical decoding of the source; Reconstruction using text-to-speech synthesis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU2008215230A 2007-02-14 2008-02-14 Methods and apparatuses for encoding and decoding object-based audio signals Active AU2008215230B2 (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US90108907P 2007-02-14 2007-02-14
US60/901,089 2007-02-14
US90164207P 2007-02-16 2007-02-16
US60/901,642 2007-02-16
US90381807P 2007-02-28 2007-02-28
US60/903,818 2007-02-28
US90768907P 2007-04-13 2007-04-13
US60/907,689 2007-04-13
US92402707P 2007-04-27 2007-04-27
US60/924,027 2007-04-27
US94762007P 2007-07-02 2007-07-02
US60/947,620 2007-07-02
US94837307P 2007-07-06 2007-07-06
US60/948,373 2007-07-06
PCT/KR2008/000883 WO2008100098A1 (fr) 2007-02-14 2008-02-14 Procédés et appareils de codage et de décodage de signaux audio fondés sur des objets

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AU2008215230A1 AU2008215230A1 (en) 2008-08-21
AU2008215230B2 true AU2008215230B2 (en) 2010-03-04

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AU2008215230A Active AU2008215230B2 (en) 2007-02-14 2008-02-14 Methods and apparatuses for encoding and decoding object-based audio signals
AU2008215231A Active AU2008215231B2 (en) 2007-02-14 2008-02-14 Methods and apparatuses for encoding and decoding object-based audio signals
AU2008215232A Active AU2008215232B2 (en) 2007-02-14 2008-02-14 Methods and apparatuses for encoding and decoding object-based audio signals

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Country Status (11)

Country Link
US (7) US8756066B2 (fr)
EP (3) EP2111617B1 (fr)
JP (4) JP2010506232A (fr)
KR (3) KR101069268B1 (fr)
AT (1) ATE526659T1 (fr)
AU (3) AU2008215230B2 (fr)
BR (2) BRPI0802614A2 (fr)
CA (3) CA2645912C (fr)
MX (3) MX2008013073A (fr)
TW (3) TWI431610B (fr)
WO (3) WO2008100098A1 (fr)

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